package com.superc;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.SocketAddress;

import android.app.Activity;
import android.content.Intent;
import android.media.AudioRecord;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.Button;

import com.superc.lib.intent.IntentFunction;
import com.superc.lib.network.implement.superp.SuperClient;
import com.superc.lib.network.implement.superp.SuperServer;
import com.superc.lib.network.inteface.superp.IProtocolEventSink;
import com.superc.lib.ui.UIFunction;
import com.superc.model.audio.RecordSetting;

public class AllInOne extends Activity {

	private static final int RECORDER_BPP = 16;
	private static final String AUDIO_RECORDER_FILE_EXT_WAV = ".wav";
	private static final String AUDIO_RECORDER_FOLDER = "AudioRecorder";
	private static final String AUDIO_RECORDER_TEMP_FILE = "record_temp.raw";
	private RecordSetting recordSetting = null;
	private AudioRecord recorder = null;
	private Thread recordingThread = null;
	private boolean isRecording = false;
	private SuperServer server=null;
	private SuperClient client=null;
	private Activity my=null;
	private Handler uiHandler =null;
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		recordSetting = new RecordSetting();
		((Button) findViewById(R.id.cmdStartRecording))
				.setOnClickListener(btnClick);
		((Button) findViewById(R.id.cmdStopRecording))
				.setOnClickListener(btnClick);
		((Button) findViewById(R.id.cmdSetting)).setOnClickListener(btnClick);
		
		my=this;
		((Button) findViewById(R.id.cmdClientSend)).setOnClickListener(btnClick);
		((Button) findViewById(R.id.cmdServerSend)).setOnClickListener(btnClick);
		uiHandler = new Handler(){  
	          
	        public void handleMessage(Message msg) {  
	        	UIFunction.getTextView(my, R.id.txtStatus).setText(msg.getData().getString("name"));
	        };  
	    };
		
		
		server=new SuperServer();
		server.start();
		server.setEventSink(new IProtocolEventSink() {
			
			@Override
			public void CommandReceived(byte commandId,String commandName, String parameter,int handleId) {
				Message message=new Message();
				Bundle b=new Bundle();
				b.putString("name", "Client command:" + commandName + " " + parameter);
				message.setData(b);
				uiHandler.sendMessage(message);
			}
			
			@Override
			public void ClientConnected(SocketAddress clientAddress, Boolean bolRejected,int handleId) {
				Message message=new Message();
				Bundle b=new Bundle();
				b.putString("name", "connect:" + clientAddress.toString());
				message.setData(b);
				uiHandler.sendMessage(message);
			}

			@Override
			public void StreamDataReceived(byte[] datas, int startIndex,
					int dataLength, int handleId) {
				// TODO Auto-generated method stub
				
			}

			@Override
			public void ConnectionClosed(int handleId) {
				// TODO Auto-generated method stub
				
			}

			@Override
			public void ErrorHappened(Exception exp, int handleId) {
				// TODO Auto-generated method stub
				
			}
		});
		client=new SuperClient();
		try {
			client.connect("localhost", 12345);
		} catch (IOException e) {
			e.printStackTrace();
		}
		client.setEventSink(new IProtocolEventSink() {
			
			@Override
			public void CommandReceived(byte commandId,String commandName, String parameter,int handleId) {
				Message message=new Message();
				Bundle b=new Bundle();
				b.putString("name", "Server command:" + commandName + " " + parameter);
				message.setData(b);
				uiHandler.sendMessage(message);
			}
			
			@Override
			public void ClientConnected(SocketAddress clientAddress, Boolean bolRejected,int handleId) {
				
			}

			@Override
			public void StreamDataReceived(byte[] datas, int startIndex,
					int dataLength, int handleId) {
				// TODO Auto-generated method stub
				
			}

			@Override
			public void ConnectionClosed(int handleId) {
				// TODO Auto-generated method stub
				
			}

			@Override
			public void ErrorHappened(Exception exp, int handleId) {
				// TODO Auto-generated method stub
				
			}
		});
		
	}

	private View.OnClickListener btnClick = new View.OnClickListener() {
		@Override
		public void onClick(View v) {
			switch (v.getId()) {
				case R.id.cmdStartRecording: {
					startRecording();
					break;
				}
				case R.id.cmdStopRecording: {
					stopRecording();
	
					break;
				}
				case R.id.cmdSetting: {
					Intent audioSettingActivity = IntentFunction.getDirectIntent(
							AllInOne.this, AudioSetting.class);
					audioSettingActivity.putExtra(RecordSetting.RecordSettingKey, recordSetting);
					startActivityForResult(audioSettingActivity, 0);
					break;
				}
				case R.id.cmdClientSend:{
					try {
						client.sendCommand((byte)1, UIFunction.getEditText(my, R.id.txtClient).getText().toString() );
					} catch (IOException e) {
						e.printStackTrace();
					}
					break;
				}
				case R.id.cmdServerSend:{
					try {
						server.sendCommand((byte)1, UIFunction.getEditText(my, R.id.txtServer).getText().toString() );
					} catch (IOException e) {
						e.printStackTrace();
					}
					break;
				}
			}
		}
	};

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		if(resultCode==RESULT_OK){
			RecordSetting newSetting=(RecordSetting)data.getExtras().getSerializable(RecordSetting.RecordSettingKey);
			recordSetting=newSetting;
		}
	}

	private String getFilename() {
		String filepath = Environment.getExternalStorageDirectory().getPath();
		File file = new File(filepath, AUDIO_RECORDER_FOLDER);

		if (!file.exists()) {
			file.mkdirs();
		}

		return (file.getAbsolutePath() + "/" + System.currentTimeMillis() + AUDIO_RECORDER_FILE_EXT_WAV);
	}

	private String getTempFilename() {
		String filepath = Environment.getExternalStorageDirectory().getPath();
		File file = new File(filepath, AUDIO_RECORDER_FOLDER);

		if (!file.exists()) {
			file.mkdirs();
		}

		File tempFile = new File(filepath, AUDIO_RECORDER_TEMP_FILE);

		if (tempFile.exists())
			tempFile.delete();

		return (file.getAbsolutePath() + "/" + AUDIO_RECORDER_TEMP_FILE);
	}

	private void startRecording() {
		recorder = new AudioRecord(MediaRecorder.AudioSource.MIC,
				recordSetting.getSampleRate(), recordSetting.getChannel(),
				recordSetting.getEncoding(), recordSetting.getBufferSize());

		recorder.startRecording();

		isRecording = true;

		recordingThread = new Thread(new Runnable() {

			@Override
			public void run() {
				writeAudioDataToFile();
			}
		}, "AudioRecorder Thread");

		recordingThread.start();
	}

	private void writeAudioDataToFile() {
		byte data[] = new byte[recordSetting.getBufferSize()];
		String filename = getTempFilename();
		FileOutputStream os = null;

		try {
			os = new FileOutputStream(filename);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}

		int read = 0;

		if (null != os) {
			while (isRecording) {
				read = recorder.read(data, 0, recordSetting.getBufferSize());

				if (AudioRecord.ERROR_INVALID_OPERATION != read) {
					try {
						os.write(data);
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
			}

			try {
				os.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

	private void stopRecording() {
		if (null != recorder) {
			isRecording = false;

			recorder.stop();
			recorder.release();

			recorder = null;
			recordingThread = null;
		}

		copyWaveFile(getTempFilename(), getFilename());
		deleteTempFile();
	}

	private void deleteTempFile() {
		File file = new File(getTempFilename());

		file.delete();
	}

	private void copyWaveFile(String inFilename, String outFilename) {
		FileInputStream in = null;
		FileOutputStream out = null;
		long totalAudioLen = 0;
		long totalDataLen = totalAudioLen + 36;
		long longSampleRate = recordSetting.getSampleRate();
		int channels = 2;
		long byteRate = RECORDER_BPP * recordSetting.getSampleRate() * channels
				/ 8;

		byte[] data = new byte[recordSetting.getBufferSize()];

		try {
			in = new FileInputStream(inFilename);
			out = new FileOutputStream(outFilename);
			totalAudioLen = in.getChannel().size();
			totalDataLen = totalAudioLen + 36;

			WriteWaveFileHeader(out, totalAudioLen, totalDataLen,
					longSampleRate, channels, byteRate);

			while (in.read(data) != -1) {
				out.write(data);
			}

			in.close();
			out.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	private void WriteWaveFileHeader(FileOutputStream out, long totalAudioLen,
			long totalDataLen, long longSampleRate, int channels, long byteRate)
			throws IOException {

		byte[] header = new byte[44];

		header[0] = 'R'; // RIFF/WAVE header
		header[1] = 'I';
		header[2] = 'F';
		header[3] = 'F';
		header[4] = (byte) (totalDataLen & 0xff);
		header[5] = (byte) ((totalDataLen >> 8) & 0xff);
		header[6] = (byte) ((totalDataLen >> 16) & 0xff);
		header[7] = (byte) ((totalDataLen >> 24) & 0xff);
		header[8] = 'W';
		header[9] = 'A';
		header[10] = 'V';
		header[11] = 'E';
		header[12] = 'f'; // 'fmt ' chunk
		header[13] = 'm';
		header[14] = 't';
		header[15] = ' ';
		header[16] = 16; // 4 bytes: size of 'fmt ' chunk
		header[17] = 0;
		header[18] = 0;
		header[19] = 0;
		header[20] = 1; // format = 1
		header[21] = 0;
		header[22] = (byte) channels;
		header[23] = 0;
		header[24] = (byte) (longSampleRate & 0xff);
		header[25] = (byte) ((longSampleRate >> 8) & 0xff);
		header[26] = (byte) ((longSampleRate >> 16) & 0xff);
		header[27] = (byte) ((longSampleRate >> 24) & 0xff);
		header[28] = (byte) (byteRate & 0xff);
		header[29] = (byte) ((byteRate >> 8) & 0xff);
		header[30] = (byte) ((byteRate >> 16) & 0xff);
		header[31] = (byte) ((byteRate >> 24) & 0xff);
		header[32] = (byte) (2 * 16 / 8); // block align
		header[33] = 0;
		header[34] = RECORDER_BPP; // bits per sample
		header[35] = 0;
		header[36] = 'd';
		header[37] = 'a';
		header[38] = 't';
		header[39] = 'a';
		header[40] = (byte) (totalAudioLen & 0xff);
		header[41] = (byte) ((totalAudioLen >> 8) & 0xff);
		header[42] = (byte) ((totalAudioLen >> 16) & 0xff);
		header[43] = (byte) ((totalAudioLen >> 24) & 0xff);

		out.write(header, 0, 44);
	}

}